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Programmatically obtain the phone number of the Android phone
...Required Permission:
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
Caveats:
According to the highly upvoted comments, there are a few caveats to be aware of. This can return null or "" or even "???????", and it can return a stale phone number that is no longer vali...
Get generic type of class at runtime
...e says that actually it's a lure and there is no real need for it. You can read both links, I found them quite interesting.
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Unit testing Anti-patterns catalogue
...ut the exact cause of failure. e.g. a canonical example of this test would read something like Opaque Superset of all Arrange steps >> Act >> Assert A >> Act some more >> Assert B >> Act some more >> Assert C. Now ideally if A and C are broken, you should see 2 te...
Importing modules from parent folder
...an matter if somewhere else then the parentdir, but in one of the paths allready specified in sys.path, there is another module with the name 'mymodule'. Inserting the parentdir as the first element of the sys.path list assures that the module from parentdir will be imported instead.
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Best way to create custom config options for my Rails app?
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How do we read ENV variable in config.yml, my configuration is the same ..i have added variable in bashrc and im trying to read that in config.yml using key: <%= ENV[URL] %>... this is not working
– shiva
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Which is faster in Python: x**.5 or math.sqrt(x)?
... If not, then why go with code which is cryptic over code that is easy to read? The time difference is would be less than anybody could notice in just about any application I could forsee. I really don't mean to put down your question, but it seems that you're going a little too far with prematur...
How do you find all subclasses of a given class in Java?
... subclasses in what seems to be an "efficient" amount of time because it already has all of the type data loaded at the point where you press the "Display in Type Hierarchy" button (since it is constantly compiling your classes, knows about everything on the classpath, etc).
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Foreign Key naming scheme
...erby DB with very specific naming convention and this one here is the most readable and traceable. Thank you
– Anddo
Oct 12 '19 at 13:08
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Case conventions on element names?
...b -c"/>
outputs 0, as expected
But note how confusing the above is to read!
<a>1</a><a-b>3</a-b><b>2</b>
<xsl:value-of select="a-b"/>
outputs 3
<a>1</a><a-b>3</a-b><b>2</b>
<xsl:value-of select="a -b"/>
output...
URLWithString: returns nil
...This method parses URLString according to RFCs 1738 and 1808.". Doing some reading...
– russau
Feb 2 '14 at 16:19
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